8681520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{593}}^1$

素因数の和:670

約数の個数: 80

約数和(自身を含む): 27400032

約数和(自身を除く): 18718512

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 61, 80, 120, 122, 183, 240, 244, 305, 366, 488, 593, 610, 732, 915, 976, 1186, 1220, 1464, 1779, 1830, 2372, 2440, 2928, 2965, 3558, 3660, 4744, 4880, 5930, 7116, 7320, 8895, 9488, 11860, 14232, 14640, 17790, 23720, 28464, 35580, 36173, 47440, 71160, 72346, 108519, 142320, 144692, 180865, 217038, 289384, 361730, 434076, 542595, 578768, 723460, 868152, 1085190, 1446920, 1736304, 2170380, 2893840, 4340760, 8681520]

約数ペア:

[(1, 8681520), (2, 4340760), (3, 2893840), (4, 2170380), (5, 1736304), (6, 1446920), (8, 1085190), (10, 868152), (12, 723460), (15, 578768), (16, 542595), (20, 434076), (24, 361730), (30, 289384), (40, 217038), (48, 180865), (60, 144692), (61, 142320), (80, 108519), (120, 72346), (122, 71160), (183, 47440), (240, 36173), (244, 35580), (305, 28464), (366, 23720), (488, 17790), (593, 14640), (610, 14232), (732, 11860), (915, 9488), (976, 8895), (1186, 7320), (1220, 7116), (1464, 5930), (1779, 4880), (1830, 4744), (2372, 3660), (2440, 3558), (2928, 2965)]